11. Special Topics

Research Methods — Quiz

Test your understanding of research methods with 5 practice questions.

Practice Questions

Question 1

In a study investigating the effectiveness of a new auditory training program, a researcher uses a pre-test/post-test design with a control group. The primary outcome measure is speech recognition scores, which are normally distributed. Which statistical test is most appropriate to analyze the difference in improvement (post-test minus pre-test scores) between the experimental and control groups?

Question 2

A researcher is conducting a systematic review and meta-analysis on the efficacy of different amplification strategies for unilateral hearing loss. They encounter several studies with varying sample sizes and effect sizes. To synthesize these findings and provide a pooled estimate of the effect, which statistical model is generally preferred when there is an expectation of true differences in effect sizes across studies due to variations in populations, interventions, or study designs?

Question 3

When evaluating the psychometric properties of a new self-report questionnaire designed to assess the impact of tinnitus on daily life, a researcher administers the questionnaire to a group of participants on two separate occasions, two weeks apart. They then calculate the correlation between the scores from the two administrations. Which psychometric property is primarily being assessed by this procedure?

Question 4

A researcher is conducting a study to investigate the factors influencing adherence to hearing aid use in older adults. They plan to use a theoretical framework to guide their research questions, data collection, and interpretation of findings. Which of the following theoretical frameworks, commonly used in health behavior research, would be most appropriate for understanding individual beliefs and perceptions that influence health-related behaviors, such as hearing aid adherence?

Question 5

In a randomized controlled trial (RCT) evaluating a new drug for sudden sensorineural hearing loss, the researchers decide to perform an 'intention-to-treat' analysis. Which of the following best describes the primary reason for using an intention-to-treat analysis in this context?